30.3178, FYI: CfP SemEval 2020 Task 1: Unsupervised Lexical Semantic Change Detection

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LINGUIST List: Vol-30-3178. Wed Aug 21 2019. ISSN: 1069 - 4875.

Subject: 30.3178, FYI: CfP SemEval 2020 Task 1: Unsupervised Lexical Semantic Change Detection

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Date: Wed, 21 Aug 2019 03:23:34
From: Barbara McGillivray [bm517 at cam.ac.uk]
Subject: CfP SemEval 2020 Task 1: Unsupervised Lexical Semantic Change Detection

 
(Apologies for cross-posting)

SemEval 2020 Task 1:  Unsupervised Lexical Semantic Change Detection
Shared Task Website: https://languagechange.org/semeval
Email: semeval2020lexicalsemanticchange at turing.ac.uk

Lexical Semantic Change (LSC) detection, i.e. the task of identifying words
that change meaning over time, is a very active research area, with
applications in NLP, lexicography, and linguistics. Evaluation is currently
the most pressing problem in LSC detection, as no gold standards are available
to the community, which hinders progress. We organize a shared task that
addresses this gap by providing researchers with an evaluation framework and
high-quality manually annotated datasets for English, German, Latin, and
Swedish.

Participants are asked to solve two related tasks for computational LSC
detection, aiming to identify change in senses of words over time using corpus
data.

Sub-Tasks:

We provide two time-specific (t1, t2) corpora for each language. Both tasks
will be evaluated using ground truth as annotated by humans, native speakers
(except for Latin, for which scholars of Latin were used).

Sub-Task 1 - Binary classification: given a set of words, determine which
gained or lost senses between t1 and t2 and which did not.
Sub-Task 2 - Ranking: given a set of words, rank them by the degree of LSC
they underwent between t1 and t2.

Important Dates:

Trial data ready July 31, 2019
Test data ready December 3, 2019
Evaluation start January 10, 2020
Evaluation end January 31, 2020
Paper submission due February 23, 2020
Notification to authors March 29, 2020
Camera ready due April 5, 2020
SemEval workshop Summer 2020

The complete list of dates is available on the task website.

Task Organizers:

Barbara McGillivray, University of Cambridge and The Alan Turing Institute, UK
Dominik Schlechtweg, University of Stuttgart, DE
Simon Hengchen, University of Helsinki, FI
Haim Dubossarsky, University of Cambridge, UK
Nina Tahmasebi, University of Gothenburg, SE
 



Linguistic Field(s): Computational Linguistics

Subject Language(s): English (eng)
                     German (deu)
                     Latin (lat)
                     Swedish (swe)





 



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